142101340 has 12 divisors (see below), whose sum is σ = 298412856. Its totient is φ = 56840528.

The previous prime is 142101331. The next prime is 142101343. The reversal of 142101340 is 43101241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142101343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3552514 + ... + 3552553.

It is an arithmetic number, because the mean of its divisors is an integer number (24867738).

Almost surely, 2^142101340 is an apocalyptic number.

142101340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142101340 is an abundant number, since it is smaller than the sum of its proper divisors (156311516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142101340 is a wasteful number, since it uses less digits than its factorization.

142101340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105076 (or 7105074 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142101340 is about 11920.6266613798. The cubic root of 142101340 is about 521.8344233933.

Adding to 142101340 its reverse (43101241), we get a palindrome (185202581).

Subtracting from 142101340 its reverse (43101241), we obtain a palindrome (99000099).

The spelling of 142101340 in words is "one hundred forty-two million, one hundred one thousand, three hundred forty".